This sculpture of The Greatest was made with 1,300 punching bags. Each speed bag was treated as a pixel and when put all together, formed the face, and classic snarl, of Muhammad Ali. The rest of the 22-foot high installation uses 6.5 miles of stainless steel cable, 2,500 pounds of aluminum piping and took three years… »3/01/11 10:00am 3/01/11 10:00am